The document lists various engineering feats and structures that hold Guinness World Records including: 1) The world's largest excavator built in Germany that is 45,500 tons, 95 meters high, and 215 meters long. 2) The world's largest passenger ship, the MS Freedom of the Seas, with a capacity of 4,300 passengers. 3) The world's busiest airport is JFK International Airport in New York. 4) The world's widest bridge is the Sydney Harbor Bridge in Australia with 16 lanes of car traffic across its upper and lower floors.